Infrared touch module and infrared touch-type display device

Abstract

The invention discloses an infrared touch module. The infrared touch module comprises a circuit board, an infrared point light source, an optical lens and a shell body, wherein the infrared point light source is mounted on the circuit board, the shell body is of a frame structure and comprises one side frame, a first frame edge and a second frame edge, and the first frame edge and the second frame edge are bent from the upper end and the lower end of the side frame to the middle of the frame structure; the shell body is internally provided with a groove penetrates through the the end surface of the first frame edge, and the circuit board and the infrared point light source are contained in the groove; the infrared point light source faces the outlet of the groove, and an insertion slot for inserting the end part of a display device is formed between the first frame edge and the second frame edge. The invention also discloses the infrared touch-type display device. The circumstance of the display device is inserted into the insertion slot of the infrared touch module, and is fixed relative to the infrared touch module so as to ensure the reliability of fixing of the infrared touch module, and meanwhile using of various fixing structures for fixing is avoided; besides, the number of structural parts is reduced, and the design of a narrow bezel of the infrared touch-type display device is facilitated through the circuit board vertically mounted in the infrared touch module.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an infrared touch module and an infrared touch display device. Background technique [0002] Infrared multi-touch (IRMT) technology is to detect and locate a person's touch gestures by using an infrared matrix densely distributed in the X and Y directions. The infrared touch screen is mainly to install the circuit board frame in front of the display. The receiving tubes correspond to each other on opposite sides of the screen, forming a horizontal and vertical infrared matrix. When the finger touches the screen, it will block the two infrared rays passing through the position, so the coordinate position of the touch point on the screen can be judged. The advantage of this kind of touch screen is that any non-transparent object can change the position on the touch point. Infrared to achieve touch screen operation. [0003] In the current commercial display market, display scre...

AI Technical Summary

Problems solved by technology

[0003] In the current commercial display market, display screens generally require touch functions in end-customer applications. Ordinary display screens usually use touch screens with infrared technology. However, since the infrared touch structure is usually integrated and fixed to the display as a separate module On the screen, the display screen cannot guarantee the reliability of the connection of the infrared touch structure. In order to make up for this defect, many auxiliary reinforcements are often used to fix between the display screen and the infrared touch structure, but this also directly increases the structural reliability. Complexity, overall aesthetics, and cost of the product

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